/**
 * 编辑-资讯js
 */
var vm = new Vue({
	el:'#dpLTE',
	data: {
		contentStr:"",
		imgPrev:"http://qiniudns.zaishengwang.com/",
		information: {
			img:"",
			id: 0
		}
	},
	methods : {
		setForm: function() {
			$.SetForm({
				url: '../../sys/information/info?_' + $.now(),
		    	param: vm.information.id,
		    	success: function(data) {
		    		vm.information = data;
		    		vm.information.img = vm.imgPrev + vm.information.img;
		    		var editor = UE.getEditor('editor');
	    		    editor.ready(function() { 
	    		    	if(vm.information.content !=null && vm.information.content!=""){
	    		    	editor.setContent(vm.information.content); 
	    		    	}
	    			});
	    		    editor.addListener("contentchange", function () {
	    		        $("#introdution").html(editor.getContent());
	    		        vm.contentStr = $("#introdution").html(editor.getContent()).html();
	    		    })
		    	}
			});
		},
		acceptClick: function() {
			if (!$('#form').Validform()) {
		        return false;
		    }
			vm.information.content = "";
		    $.ConfirmForm({
		    	url: '../../sys/information/update?contentStr='+vm.contentStr+'&_' + $.now(),
		    	param: vm.information,
		    	success: function(data) {
		    		$.currentIframe().vm.load();
		    	}
		    });
		}
	}
})

//图片上传预览    IE是用了滤镜。
function previewImage(file) {
    var MAXWIDTH = 100;
    var MAXHEIGHT = 100;
    var div = document.getElementById('preview');
    if (file.files && file.files[0]) {
        div.innerHTML = '<img id=imghead onclick=$("#previewImg").click()>';
        var img = document.getElementById('imghead');
        img.onload = function() {
            var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
            img.width = rect.width;
            img.height = rect.height;
            img.style.marginTop = rect.top + 'px';
        }
        var reader = new FileReader();
        reader.onload = function(evt) {
            img.src = evt.target.result;
            vm.information.img = img.src;
        }
        reader.readAsDataURL(file.files[0]);
    } else //兼容IE
    {
        var sFilter = 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
        file.select();
        var src = document.selection.createRange().text;
        
        console.log(src);
        vm.information.img = src;
        console.log(vm.information.img);
        
        div.innerHTML = '<img id=imghead>';
        var img = document.getElementById('imghead');
        img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
        var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
        status = ('rect:' + rect.top + ',' + rect.left + ',' + rect.width + ',' + rect.height);
        div.innerHTML = "<div id=divhead style='width:" + rect.width + "px;height:" + rect.height + "px;margin-top:" + rect.top + "px;" + sFilter + src + "\"'></div>";
    }
}
function clacImgZoomParam(maxWidth, maxHeight, width, height) {
    var param = {
        top: 0,
        left: 0,
        width: width,
        height: height
    };
    if (width > maxWidth || height > maxHeight) {
        rateWidth = width / maxWidth;
        rateHeight = height / maxHeight;

        if (rateWidth > rateHeight) {
            param.width = maxWidth;
            param.height = Math.round(height / rateWidth);
        } else {
            param.width = Math.round(width / rateHeight);
            param.height = maxHeight;
        }
    }
    param.left = Math.round((maxWidth - param.width) / 2);
    param.top = Math.round((maxHeight - param.height) / 2);
    return param;
};